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2007] NOTEWORTHY COLLECTIONS 367 looked probably due to the species' close resemblance —Curtis Bjork, Box 131 Clearwater, BCVOE INO, to the common and widespread C. undulatum. Appar- Canada. ently native and one of a significant number of Great Plainsand RockyMountainsspeciesthataredisjunctin the Okanagan. California HitVicohlcaoacdkunc(aVISOmL.AvCaErA.Ec)a.s—caSdoeuntshiesrn(BaOkkear)naCg.aLn. AllophyllumDiVARiCATUM(NuTT.)A. D. Grant& Valley, interface ofponderosa pine forest and salt-flat V. Grant (POLEMONIACEAE).—Riverside Co., Pen- v1e1g9e°t3a5t'iWo,naetletvh.e5n5o0rtmh,en1d1 oAfuMguashto,n2e0y06L,akBej,or4k9°11379'9N1, giinosnu,laurppRearngTeashquPriotvzinVcaell,eyS,aenlevJ.ac2i4n0t8o mMo(u7n9t0a0ifnts.),r1e9- (UBC). Jul 1933, Dunkle 3675 [det. A. Day, 1980] (RSA); San t(hHeiPtrceOhvkciaoocunkso,gkanCo.nLw.l,eVadl&glee.Ay,.EaCsirntonsWqlauoipseshsti.nogf1t9to7hn3e.CaFanlsodcraadOerosefgatonhnde 6JBa8ac0ni3nn0it5no-g4-,MIo4duyMnlatlawyiiln1ds9,R6d8.b,(uUerClneRve).d;91tsr4laiomlpet(o3iS0np0i0tclfehtra),pPaMercarKkailfnrlooenmy UPanciivfeircsitNyorotfhwWeassth:ingatnonIlPlruesstsr.at7e3d0 pMpa.n).ual. Seattle. RHu3rEkeNyl/C2reSeeck. C3a5,mpeglervo.un17d0,7 mBon(i5t6a00Vifts)t,agrRodw.,ingT5iSn aCsoadSniiistagstdnirinaafcritaictnavyandrciiesae.tdryiF,afifnrbigscuetutletrixesttcoseoenrasldsidsoeofnsomsr.orfeBrcaiobtroidsuehtdC2ao0slktuhmme.bviTaahriieastnyid,s c6Tp1he5w0aa46ipk87na,rm(P3riU3anlC°(e5R3sa35)n0.;Rd0raNnNfy,tce),lh1sl1i4oRd6we°oM5apa1aid.lyn5oe('nMWg1f,co9r9MHTe7usw3,tlS,ylSeRa1n2nIJ4dE3uFe,lnraSstW11).,9/e58t4N6m,aiSl.2sS3la,o2bnp0eede6llee3orov3ws.f CBaC—n,aCdCuaar;ntaTideas,rBrVjyo5rTMkc,2iPnB2to.oxsh13,13C-l1e1a7r5wa1t4e"r",StB.CVaVnOcEouvIeNrO,, t(MuoUruCnnoRft,fa,iRnS1A4C)e;nMtaealroy,ngun1H9nw8a8ym,e24dH3a,erp1ph-ee2rmemirs.a.nl.bedlr(oaRwiSnAMa)tg;e.,Entdreniabar- utary to S Fork, San Jacinto River, Idyllwild, 33° 41.5'N, 116°44'W, T5S R2E S36, SW, elev. 1402- Anten—naria corymbosa E. Nels. (ASTERA- 1463 m (4600^800 ft), 5 Aug2000, White8113 (RSA); CEAE). Cariboo Mountains, margin ofCarex utricu- Peninsular Ranges Province, Agua Tibia Mountains l1a1t9a°3f3e'nW,,he1a0d0w0amtereslevo.,f 2t4heJuBlly,ue20R0i4v,er,Bjo5r2k°0944'N1,5 Aregguioan,TiSbEiaofWiTledmeernceuslsa,, NClWevelsalnodpeNaotfioAngaulaFoTriebsit,a (UBC). Mountain,ca. 1.5 miWNWofWoodchuckRd., USGS Previousknowledge. Western United States, mostlyin 7.5' Pechanga Quadrangle, UTM (NAD 83) IIS the Rocky Mountains (Bayer, R.J. 2006. Antennaria in 0497415E 3699899N, elev. 665 m (2180 ft), locally Flora ofNorth America Editorial Committee. Flora of common to widely scattered in open oak riparian North America. Vol. 19. NewYork. Oxford University forests and on sandy benches along unnamed blueline Press. 610 pp.). stream, 31 Jul 2005, Riefner 05-573 [annotated J. M. biaSiagnndifiCcaanncaed.aFairnsdtaverraifnigeederxetceonrsdiofnorofBraibtoiusht4C5o0lukmm- PPorrotveirn,ce2:005W] (sRlSoAp)e.oSfanAgDuiaegoTiCboi.a, PMeonuinntsauilnasr,Rahnegaeds- from the nearest population in northeast Washington. watersofPalaCreek, USGS7.5' PechangaQuadrangle, This is an ecologically distinctive species, being one of UTM (NAD 83) lis 0494408E 3698202N, elev. 488 m few in the genus that can tolerate the wet, peaty soil of (1600 ft), widely scattered on sandy benches in mesic marshes and fens. chaparral, 3 Jul 2005, Riefner 05-542 [annotated J. M. Porter, 2005] (RSA). Festu—ca washingtonica E.B. Alexeev (POA- Previous knowledge. Allophyllum divaricatum (purple CEAE). Southern Okanagan Valley, Grassland- false-gilia) occupies sandy areas in chaparral and woodland mosaic, Richter Pass, southeast slopes of woodlands from 300-1800 m in the Klamath Ranges, Mount Kobau, 49 06'N 119" 37'W, 1200 m elev., Inner North Coast Ranges, South Cascade Ranges, verified by Stephen Darbyshire. Sierra Nevada Foothills, San Francisco Bay Region, Previous knowledge. East slopes and foothills of the South Coast Ranges, and the Transverse Ranges (Day Cascade Mountains in Washington State (Darbyshire, 1993, in Hickman, ed.. The Jepson Manual: Higher S. 2007. Festuca in Flora of North America Editorial Plants of California, University of California Press, Committee. Flora of North America. Vol. 24. New Berkeley, CA). York. Oxford University Press. 944 pp.), known from Significance. First reports of A. divaricatum docu- few populations scattered between Rattlesnake Moun- mented from the Peninsular Ranges Province (Day tain in Franklin County, north to near Loomis in 1993 loc. cit.). In addition, the collections from the Okanogan County (Bjork unpublished). Agua Tibia Mountains represent the first documented Significance. First valid record for British Columbia records for western Riverside County and San Diego and Canada, and a range extension of about 30 km County (Banks 1999, A Vascular Flora of the Agua north of the northernmost Washington population. Tibia Mountains, Southern California, Rancho Santa Very few individuals were present, but the species tends Ana Botanical Garden Occasional Publications No. 4, to grow at elevations higher than 1200 m, so the Claremont, CA; Roberts et al. 2004, The Vascular collectionsitemight represent the loweredgeofa larger Plants of Western Riverside County, California: An population. In Volume 24 of the Flora of North Annotated Checklist, F. M. Roberts Publications, San America, the presently cited specimen was the basis Luis Rey, CA; Rebman and Simpson 2006, Checklistof fora BritishColumbia dot on thedistribution map, but the Vascular Plants of San Diego County, ed. 4, San thedot appearsonVancouverIsland, wherethisspecies Diego Natural History Museum, San Diego). The would not likely find suitable habitat. occurrence ofA. divaricatum in low-elevation canyons MADRONO 368 [Vol. 54 and on valley slopes in the Agua Tibia Mountains may Temecula Valley or other areas of western Riverside be attributed to cold-airdrainage patterns that produce County influenced by maritime breezes, includes localized fog, which is significant to vegetation because Baccharis pilularis DC, Cylindropuntia prolifera (En- it reduceswater lost by transpiration (Schoenherr 1992, gelm.) F.M. Kunth, and Malosma laurina (Nutt.) Nutt A Natural History of California, California Natural ex Abrams (Roberts et al. 2004 loc. cit.). History Guide No. 56, University of California Press, Berkeley, CA). Cold-airdrainage is a phenomenon that Ceanothus impressus Trel. var. impressus rfeosrumltssofnrtohmettohpesdoifurmnoaulnteafifencstoorfriddegnesleinecsoltdhataidrratihnats V(eRrHduAgMoNAMoCuEntAaEin)s.,—NLossiAdnegeolfes21C0o.F,reEewoafy,SunWlancda,. intoandreplaceslessdensewarmairincanyonsorover 0.6 mi from the intersection of La Tuna Canyon Rd. valley floors ofsurroundinglowlands (Bailey 1996, The withthe210-Freeway, USGS7.5' BurbankQuadrangle, Climate of Southern California, California Natural UTM (NAD 83) IIS 0380138E 3789150N, 475 m History Guide No. 17, University of California Press, (1558 ft), single shrub on old fill slope, 12 Jun 2006, Berkeley). Throughout the Agua Tibia Mountains, Riefner 06-238 (RSA). cold-air drainage is also likely responsible for the Previousknowledge. Ceanothus impressusvar. impres- distribution and occurrence ofAbies concolor (Gordon sus (Santa Barbara wild lilac) grows on dry sandy & Glend.) Lindley, Artemisia tridentata Nutt., Caloce- mesas, coastal terraces, and bluffs in chaparral, and drusdecurrens (Torr.) Florin, Monardella macrantha A. open oak woodlands below 200 m elevation in the Gray subsp. hallii Abrams, Pseudotsuga macrocarpa Central Coast Region (Schmidt 1993, in Hickman, ed., (Vasey) Meyer, and Sedum spathulatum Hook, in The Jepson Manual: Higher Plants of California, canyons and valleys at elevations hundreds of meters University of California Press, Berkeley; Fross and lower than usual (Banks 1999 loc. cit.). Wilken 2006, Ceanothus, Timber Press, Portland, Cardionema ramosissimum (J. A. Weinmann) A. Oregon). The var. impressus appears to be restricted Nelson&.J. F. Macbride(CARYOPHYLLACEAE).— to the bluffs and terraces of Burton Mesa in western Riverside Co., Temecula Valley, Rainbow Canyon Rd. Santa Barbara County, andisa speciesoflocalconcern ca. 0.7 mi N of Pechanga Pkwy., S of the Temecula (Fross and Wilken 2006 loc. cit ). Creek GolfCourse, USGS 7.5' Temecula Quadrangle, Significance. First record C. impressus var. impressus UTM (NAD 83) lis 0488229E 3702224N, elev. 340 m documentedforLosAngelesCounty(Schmidt 1993 loc. (1115 ft), widely scattered in sandy coastal sage scrub cit.; Fross and Wilken 2006 loc. cit.). Likely introduced and along dirt roads, 30 May 2006, Riefner 06-216 in a hydroseed mix, its occurrence on a freeway fill (RSA). slope in theVerdugo Mountains demonstrates the need Previousknowledge. Cardionema ramosissimum (sand to develop statewide planting guidelines to prevent mat or tread lightly) occupies sandy beaches and hills, artificial extensions ofrange ofsensitive plant taxa. dunes, and grassy bluffs below 200 m elevation in the North Coast Ranges, Central Coast, and South Coast Lyciu—mbrevipes Benth. var. brevipes (SOLANA- regions of California, and along the Pacific coasts of CEAE). OrangeCo., CityofSanClemente,vicinityof Oregon, Washington, Mexico, and disjunct to the SanClementePierandAve. Del Mar, USGS 7.5' Linda Pacific coasts of Chile, Ecuador, and Peru in South LanePark, SanClementeQuadrangle, UTM (NAD 83) America (Hartman 1993, in Hickman, ed.. The Jepson lis 0442054E 3698390N, 3 m (10 ft), locally common Manual: Higher Plants of California, University of in coastal bluff scrub, 23 Dec 2004, Riefner 04-558 California Press, Berkeley; Hartman 2005, in Flora of (RSA); City ofCorona del Mar, vicinity ofPoppy Ave. North America Editorial Committee, eds.. Flora of and Ocean Blvd., USGS 7.5' Buck Gully, Laguna North America, Vol. 5, Magnoliophyta: Caryophylh- Beach Quadrangle, UTM (NAD 83) IIS 0419429E dae. Part 2, Oxford University Press, New York). In 3716996N, 4 m (13 ft), locally common in coastal bluff southwestern California, C. ramosissimum is well scrub, 6 Sep 2006, Riefner 06-419 (RSA). known from the coastal plains and foothills of Los Previous knowledge. Lycium brevipes var. brevipes Angeles, Orange, and San Diegocounties, but not from (common desert thorn) grows on coastal bluffs and theinlandvalleysofwesternRiversideCounty(Roberts slopes below 600 m elevation in the South Coast et al. 2004 loc. cit.). Region, the Channel Islands, the western Sonoran Significance. First record documented for Riverside Desert, and in Mexico (Nee 1993 in Hickman, ed., The County (Hartman 1993 loc. cit.\ Hartman 2005 loc. cit. Jepson Manual: HigherPlantsofCalifornia, University Roberts et al. 2004 loc. cit.). In southern California, C. of California Press, Berkeley). A collection of Lycium ramosissimum is rare or absent away from the brevipes var. brevipesfrom Orange County, City ofSan immediate coast, with the exception of the interior Clemente, south ofthe intersection ofAve. Calafia and valleys infiuenced by maritime breezes, such as near Ola Vista St. {Reisers.n., 21 Mar2001, SD), isreferable Pala in the San Luis Rey River valley, San Diego to the population previously determined to be Lycium County (Banks 1999 loc. cit.). Inland penetration ofthe brevipes var. hassei (Greene) C. L. Hitchc. {Riefner 95- marine layer, a dense layer of clouds, reduces evapo- 77, 12 Mar 1995, RSA). The Riefner 95-77 material transpiration rates and lowers temperatures, which compared favorablywith thetype specimen ofL. hassei contributes significantly to soil moisture through fog- Greene collected from Catalina Island {Hasse & Lyon drip precipitation (Schoenherr 1992 loc. cit.). In the s.n., NDG !). The var. hassei is separated from the Temecula Valleyand on thewestern slopes ofthe Agua typical variety by the spatulate to narrowly obovate Tibia Mountains in western Riverside County, the calyx lobes, 1 to 3 times as long as the tube versus the cooling effect of the marine layer is a local weather linear to triangular calyx lobes, 1/3 as long or equal to phenomenon important in determining species distri- the tube for the var. brevipes (Nee 1993 loc. cit). bution and plant community composition (Banks 1999 However, this subtledistinction in thesize and shapeof loc. cit.). Other typically coastal species that are locally thecalyxlobesmaynotbereadilyapparentduringearly common or known to occur historically only in the flowering stages of the shrub. Ongoing observations S 2007] NOTEWORTHY COLLECTIONS 369 and collections oftaxa in the L. brevipes complex that Pechanga Quadrangle, UTM (NAD 83) IIS 0490089E overlap in northern San Diego and southern Orange 3699743N, elev. 614 m (2013 ft), widely scattered in counties indicate the spatulate calyx lobes of the var. rocky, mesic chaparral, 11 Oct 2006, Riefner 06-529 hassei become foliose in fruit, and the linear to (RSA). triangular calyx lobes of the var. brevipes do not Previous knowledge. Rhamnus pilosa (hairy-leaf red- (Riefner and Boyd unpublished data). However, based berry) is an uncommon shrub that grows in chaparral on overlapping ranges and habitats, similarity in habit from 300-700 melevation in thePeninsularRangesand andphenology, additionalstudyisneededtoresolvethe in Baja California, Mexico (Sawyer 1993, in Hickman, uncertain taxonomic distinctiveness of L. brevipes var. ed.. The Jepson Manual: Higher Plants of California, hassei, which has been raised previously by Skinner et University of California Press, Berkeley). It has been al. (1995, Madrono 42: 211 241). collected from San Diego County, but not from Orange Significanee. First documented records for the var. or western Riverside counties (Roberts 1998 loc. cit.; brevipes in Orange County (Roberts 1998, A Checklist Robertset al. 2004 loc. cit.; Rebman and Simpson 2006 of the Vascular Plants of Orange County, CaHfornia, loc. cit.). ed. 2, P.M. Roberts Publications, Encinitas, CA). These Significance. First record documented for Riverside collections likely represent the northwestern-most County (Roberts et al. 2004 loc. cit.). Rhamnuspilosa is known limit ofits range in the South Coast Region. widespread in the general Rainbow Canyon area, but is most abundant inmesicchaparral developed on gabbro — Parietaria judaica L. (URTICACEAE). Los substrates. It is often closely associated with a number Angeles Co., City of San Pedro, Point Fermin, USGS of plants that are uncommon in western Riverside 7.5' San Pedro Quadrangle, UTM (NAD 83) 11 County, including Arctostaphylos rainbowensis Keeley 0380915E 3730581N, elev. 13 m (41 ft), common on & Massihi, Calamagrostis densa Vasey, Hesperolinon disturbedcoastal bluffsandcoastalstrandhabitatswith micranthum A. Gray, Salvia clevelandii (A. Gray) Atriplex semibaceata. Beta vulgaris, Distichlis spicata, Greene, Senecio ganderi T. Barkley & Beauch., and Rhus integrifoha, and Rumex crispus, 12 Jan 2006, Tetracoccus dioicus C. Parry (Banks 1999 loc. cit.; Riefner 06-13 (RSA, UCR); City of San Pedro, San CaliforniaNativePlant Society2001, InventoryofRare Pedro Bay, Adams Drive St. at Miner St., USGS 7.5' and Endangered Vascular Plants of California, ed. 6, 3S7a3n0P5e8dIrNo,Quelaedvr.an3glme,(U9Tft)M, c(oNmAmDon83)o1nISr0o3c8k0y91b5aEy eRda.r,eCaPlliafnotrnSicaieNnattifiivceAPdlvainstorSoyciCeotym,miStatcerea,meDn.to,TibCoAr;, shores with Atriplex triangularis and Suaeda taxifolia, Roberts et al. 2004 loc. cit.). 29 Jul 2006, Riefner 06-331 (RSA, UCR). Orange — County, City of Huntington Beach, Beach Blvd. at Richard E. Riefner, Jr., Research Associate, MacDonald St., USGS 7.5' Newport Beach Quadran- Rancho Santa Ana Botanic Garden, 1500 N. College gle, UTM (NAD 83) IIS 0408290E 3732120N, elev. Avenue, Claremont, CA 91711, and Steve Boyd, 6 m (18 ft), common in urban irrigated landscape, 21 Herbarium, Rancho Santa Ana Botanic Garden, 1500 May 2006, Riefner 06-199 (RSA); City of Huntington N. College Avenue, Claremont, CA 91711. Beach, Huntington Central Park at Goldenwest St., USGS 7.5' Seal Beach Quadrangle, UTM (NAD 83) 1IS 040684IE 3729999N, elev. 4 m (14 ft), uncommon, growing in disturbed ^oZ/.v-dominated riparian wood- California land, 28 Jul 2006, Riefner 06-325 (RSA). Previous knowledge. Parietaria judaica (spreading Boerhavia diffusa L. (NYCTAGINACEAE).— pellitory), native to Eurasia and North Africa, grows Yolo Co., West Sacramento, offWest Capitol Avenue, in cracks in sidewalks, ballast heaps, waste places, and —0.5 mi. E ofeastern levee ofYolo Bypass. Disturbed about ports in coastal areas of California, Florida, sandysoil, with Salsolasp. and Polygonumcf aviculare. vLaonuiias,iaanan,dMTiecxhaisga(nB,oNufefworJders1e9y9,7,NeinwFYloorrka,oPfenNnosrytlh- dFiltacthmahteaodninggroNundf,r0o.m5 mWesactrosCsa,pi1tpollantA,venneuare.drAa.inaMg.e America Editorial Committee, eds.. Flora of North Shapiro s.n., August 26, 2005 (DAV). Near America, Vol. 3, Magnoliophyta: Magnoliidae and 38°34'40.2"N, 121°34'08.5"W, 2 m elev. Determination Hamamelidae, Oxford University Press, New York). confirmed by Richard Spellenberg May 12, 2006. In North America, it is most abundant at scattered Previous knowledge. Boerhavia diffusa (common locaHties in California, where it is often invasive in name: spreading hogweed or red spiderling) is found coastal urban settings (Woodland 1993, in Hickman, worldwide in the tropics and subtropics and is ed.. The Jepson Manual: Higher Plants of California, occasionally known from riparian areas in drierregions University ofCalifornia Press, Berkeley, CA; Boufford oftheworld. IntheUnited States, B. diffusaiscurrently 1997 loc. cit.). found in Florida, Georgia, South Carolina, and North Significance. First record of P. judaica documented Carolina, and there are reports from Alabama, Louisi- for Orange County (Roberts 1998 loc. cit.); verification ana, and Texas. There has been no suggestion to date ofrecords for Los AngelesCounty. Parietariajudaica is that this species is even likely to occur in California. apparently spreading from urban environments to Boerhavia is a taxonomically difficult genus with often mesic, native plant habitats in the south coast region. subtle characters. Many Boerhavia taxa that are It is expected elsewhere, including other native habitats morphologically distinct in most of their range often and urban settings in Los Angeles, Orange, Riverside, tend to intergrade with related taxa when ranges San Diego, and Ventura counties. overlap. B. diffusa, because of its morphological variability over its worldwide range, has been treated Rham—nus pilosa (Trel.) Abrams (RHAMNA- variously by past authors to include one or two species CEAE). P-iverside Co., E of Rainbow Canyon, N of (R. Spellenberg, 2004, in Flora ofNorth America North Rainbow Heights, Termite's Hike Trail, USGS 7.5' of Mexico, V. 4, Oxford University Press: 19-20).

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